/*
 * machine_type.java
 *
 * Copyright (C) 2004-2007 Peter Graves
 * $Id: machine_type.java 11750 2009-04-11 21:47:05Z mevenson $
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

package org.armedbear.lisp;
import static org.armedbear.lisp.Nil.NIL;
import static org.armedbear.lisp.Lisp.*;

// ### machine-type
public final class machine_type extends Primitive
{
  private machine_type()
  {
    super("machine-type");
  }

  @Override
  public LispObject execute() throws ConditionThrowable
  {
    String s = System.getProperty("os.arch");
    if (s == null)
      s = "UNKNOWN";
    else if (s.equals("amd64"))
      s = "X86-64";
    else
      s = s.toUpperCase();
    return new SimpleString(s);
  }

  private static final Primitive MACHINE_TYPE = new machine_type();
}
